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Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are posted on the HVO website. 

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and colleagues.

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Volcano Watch — The Hawaiian Volcano Observatory thanks the unsung champions of maintenance

Volcano Watch — The Hawaiian Volcano Observatory thanks the unsung champions of maintenance

Most successful organizations are supported by a cadre of dedicated and skilled staff who work largely "behind the scenes" to maintain the field...

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Volcano Watch — Kīlauea Iki—the first Kīlauea eruption of the modern monitoring era

Volcano Watch — Kīlauea Iki—the first Kīlauea eruption of the modern monitoring era

Over the past three weeks, we've discussed some of the most scientifically important eruptions to have occurred in Hawai‘i since the 1912 founding of...

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Volcano Watch — Mauna Ulu—an opportunity to study a long-lived rift zone eruption

Volcano Watch — Mauna Ulu—an opportunity to study a long-lived rift zone eruption

This week, we continue our series of articles describing the most scientifically important volcanic eruptions in Hawai‘i in recent times. Today's...

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Volcano Watch — Mauna Loa's 1984 eruption taught us much about how lava flows work

Volcano Watch — Mauna Loa's 1984 eruption taught us much about how lava flows work

In recognition of Volcano Awareness Month (January 2013), this column explores some of the most scientifically important eruptions to have occurred in...

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Volcano Watch — Kīlauea's current eruption is a natural laboratory for volcanologists

Volcano Watch — Kīlauea's current eruption is a natural laboratory for volcanologists

Welcome to the 4th annual Volcano Awareness month!

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Volcano Watch — Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption turns 30

Volcano Watch — Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption turns 30

January 3, 2013, marks the 30th anniversary of Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption. Simplifying the past three decades into a single short article...

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Volcano Watch — The Kīlauea Visit that was a Prelude to Revolution

Volcano Watch — The Kīlauea Visit that was a Prelude to Revolution

To the scientists who monitor the Pu‘u ‘Ō‘ō crater, the scene in this photo seems familiar. A rising lava lake forms a symmetrical, perched lava pond...

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Volcano Watch — A holiday visit to exotic El Chichón volcano

Volcano Watch — A holiday visit to exotic El Chichón volcano

'Tis the season for holiday travel, & in this week's Volcano Watch, we will visit El Chichón Volcano, in Chiapas, Mexico. While there are some notable...

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Volcano Watch — Kīlauea's past doesn’t lie: what happened once can happen again

Volcano Watch — Kīlauea's past doesn’t lie: what happened once can happen again

It is natural for most people, including scientists, to think that the aim of a volcano observatory is to observe and measure ongoing activity...

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Volcano Watch — Jaggar achieves significant science in HVO's first year but at great personal cost

Volcano Watch — Jaggar achieves significant science in HVO's first year but at great personal cost

After years of fund-raising, Thomas Jaggar, Jr., finally got the Hawaiian Volcano Observatory (HVO) up and running at Kīlauea Volcano in January 1912...

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Volcano Watch — As HVO's centennial year ends, a New Year of volcanic milestones begins

Volcano Watch — As HVO's centennial year ends, a New Year of volcanic milestones begins

Although Kīlauea's eruptive activity has been relatively uneventful the past 11 months, the consensus at the Hawaiian Volcano Observatory (HVO) is...

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Volcano Watch — What happens when the earthquake "lights" go out?

Volcano Watch — What happens when the earthquake "lights" go out?

As we enter the 2012 holiday season, Kīlauea Volcano's continuing eruptions in Halema‘uma‘u at the summit and at Pu‘u ‘Ō‘ō on the middle east rift...

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